Base64 Encoder/Decoder – Free Online Base64 Converter
[qt_base64_encoder]
Base64 Encoder / Decoder
Encode plain text to Base64 or decode Base64 back to readable text. All processing is done locally in your browser.
About This Tool
Base64 encoding converts binary or text data into a set of 64 ASCII characters. It's commonly used for transmitting data over text-based protocols like email (MIME), embedding images in HTML/CSS, and storing binary data in JSON.
Features
- Encode — Convert plain text to Base64 string
- Decode — Convert Base64 back to readable text
- Swap — Quickly swap input and output for reverse conversion
- Privacy First — All encoding/decoding happens in your browser
How to Use
- Select "Encode" or "Decode" tab
- Paste your text into the input area
- Click "Convert" to see the result
- Use "Copy Result" to copy the output